There are three types of line: implied, actual, and psychic. This year I did several projects such as line drawings, business cards, unique fonts, and word projects to represent the element of line.
The four directions of lines are horizontal, vertical, diagonal, and curved. Horizontal represents a feeling of rest, vertical a feeling of stability, diagonal a feeling of motion, and curved varies depending on the wavelength.
These are some of the projects I decided to represent line in: